Organic Letters p. 1833 - 1835 (2014)
Update date:2022-08-04
Topics:
Kostyuchenko, Anastasia S.
Averkov, Alexey M.
Fisyuk, Alexander S.
A simple and efficient approach is developed for the synthesis of substituted 2,2′-bithiophene- and 2,2′:5′,2″- terthiophene-5-carboxylic acids and esters which is based on thiophene ring closure in the Fiesselmann reaction. Using this method, derivatives containing a long alkyl chain with or without an end functional group or an aryl substituent can be conveniently prepared.
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Doi:10.1021/ol500011f
(2014)Doi:10.1021/acs.orglett.5b01845
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(2014)